Managing subthreshold leakage in charge-based analog circuits with low-VTH transistors by analog T- switch (AT-switch) and super cut-off CMOS (SCCMOS).

The analog T-switch (AT-switch) scheme is introduced to suppress subthreshold-leakage problems in charge-based analog circuits such as switched capacitors and sample-and-hold circuits. A 0.5-V sigma-delta modulator is manufactured in a 0.15-μm FD-SOI process with low VTH of 0.1 V using the concept....

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